烂体病即皮肤溃烂病,是罗非鱼越冬期间最为常见的疾病之一,其病原为嗜水气单胞菌的一个亚种。该病的发生原因,主要是由越冬期间放养密度过高、水温不稳定、水质腐败以及饲养管理不善等原因引起,常并发水霉病。该病传染快、死亡率高。 Rotten body disease that skin ulcer disease is one of the most common diseases during tilapia wintering, the pathogen is a subspecies Aeromonas hydrophila. The cause of the disease is mainly caused by over-winter stocking density is too high, water temperature instability, water quality corruption and poor management and other reasons caused by feeding, often complicated by moldy mildew. The disease is contagious and has a high mortality rate.